Siesta Key Weather Forecast 15 Days, Weather in Siesta Key Today
Current weather conditions and 15 day weather forecast for Siesta Key, Florida, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Siesta Key
| 15 December 2025 Monday 20.3 ° C / 68.5°F  Overcast |
Feels Like : 20.3 ° C / 68.5°F Humidity : % 57 Pressure : 1022 mb Wind Speed : 25.6 kmph / 15.9 miles from ENE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Siesta Key, FL, USA
Weather Forecast for next 15 Days for Siesta Key including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Siesta Key, Florida state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 December 2025 Monday | Overcast |
13.3 ° C (55.9°F) |
19.9 ° C (67.8°F) |
16.3 ° C (61.3°F) |
% 64 | 0% | 0.8 | Sunrise:07:13 AM Sunset: 05:38 PM |
Moonrise:03:22 AM Moonset: 02:28 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Partly Cloudy |
11.5 ° C (52.7°F) |
20.9 ° C (69.6°F) |
16.1 ° C (60.9°F) |
% 69 | 0% | 0.9 | Sunrise:07:14 AM Sunset: 05:39 PM |
Moonrise:04:17 AM Moonset: 03:02 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Partly Cloudy |
13.7 ° C (56.7°F) |
25.2 ° C (77.4°F) |
19.3 ° C (66.8°F) |
% 74 | 0% | 0.9 | Sunrise:07:14 AM Sunset: 05:39 PM |
Moonrise:05:13 AM Moonset: 03:41 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Partly Cloudy |
17.1 ° C (62.8°F) |
24.7 ° C (76.5°F) |
20.6 ° C (69.1°F) |
% 68 | 0% | 0.8 | Sunrise:07:15 AM Sunset: 05:40 PM |
Moonrise:06:09 AM Moonset: 04:25 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Sunny |
19.6 ° C (67.3°F) |
24.7 ° C (76.5°F) |
21.7 ° C (71°F) |
% 77 | 0% | 0 | Sunrise:07:15 AM Sunset: 05:40 PM |
Moonrise:07:04 AM Moonset: 05:15 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
17.7 ° C (63.8°F) |
26.3 ° C (79.4°F) |
21.8 ° C (71.2°F) |
% 77 | 0% | 6 | Sunrise:07:16 AM Sunset: 05:41 PM |
Moonrise:07:56 AM Moonset: 06:09 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
19.5 ° C (67.1°F) |
25.9 ° C (78.7°F) |
22.2 ° C (71.9°F) |
% 82 | 0% | 6 | Sunrise:07:16 AM Sunset: 05:41 PM |
Moonrise:08:43 AM Moonset: 07:07 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Patchy rain nearby |
20.2 ° C (68.4°F) |
25.2 ° C (77.4°F) |
22.3 ° C (72.2°F) |
% 80 | 74% | 5 | Sunrise:07:17 AM Sunset: 05:42 PM |
Moonrise:09:27 AM Moonset: 08:05 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
19.4 ° C (67°F) |
25.6 ° C (78.1°F) |
22 ° C (71.6°F) |
% 82 | 70% | 5 | Sunrise:07:17 AM Sunset: 05:42 PM |
Moonrise:10:04 AM Moonset: 09:04 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Patchy rain nearby |
19.8 ° C (67.6°F) |
22.1 ° C (71.7°F) |
20.7 ° C (69.3°F) |
% 90 | 85% | 5 | Sunrise:07:18 AM Sunset: 05:43 PM |
Moonrise:10:39 AM Moonset: 10:02 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
19.5 ° C (67°F) |
24.8 ° C (76.7°F) |
21.8 ° C (71.2°F) |
% 78 | 87% | 5 | Sunrise:07:18 AM Sunset: 05:43 PM |
Moonrise:11:11 AM Moonset: 11:00 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
18.1 ° C (64.6°F) |
24.6 ° C (76.4°F) |
20.9 ° C (69.5°F) |
% 78 | 0% | 6 | Sunrise:07:19 AM Sunset: 05:44 PM |
Moonrise:11:42 AM Moonset: 11:59 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
15.6 ° C (60°F) |
22.2 ° C (72°F) |
19.3 ° C (66.8°F) |
% 69 | 0% | 5 | Sunrise:07:19 AM Sunset: 05:44 PM |
Moonrise:12:12 PM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
13.8 ° C (56.8°F) |
22.7 ° C (72.8°F) |
18.1 ° C (64.6°F) |
% 70 | 0% | 5 | Sunrise:07:19 AM Sunset: 05:45 PM |
Moonrise:12:45 PM Moonset: 12:59 AM Moon Phase ( Waxing Gibbous ) |
|
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